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Re: [Qemu-devel] [PATCH 2/2] linux-user: Don't use CMSG_ALIGN(sizeof str
From: |
Laurent Vivier |
Subject: |
Re: [Qemu-devel] [PATCH 2/2] linux-user: Don't use CMSG_ALIGN(sizeof struct cmsghdr) |
Date: |
Fri, 15 Dec 2017 15:29:40 +0100 |
User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:52.0) Gecko/20100101 Thunderbird/52.5.0 |
Le 15/12/2017 à 14:52, Peter Maydell a écrit :
> The Linux struct cmsghdr is already guaranteed to be sufficiently
> aligned that CMSG_ALIGN(sizeof struct cmsghdr) is always equal
> to sizeof struct cmsghdr. Stop doing the unnecessary alignment
> arithmetic for host and target cmsghdr.
>
> This follows kernel commit 1ff8cebf49ed9e9ca2 and brings our
> TARGET_CMSG_* macros back into line with the kernel ones,
> as well as making them easier to understand.
>
> Signed-off-by: Peter Maydell <address@hidden>
> ---
> linux-user/syscall_defs.h | 6 +++---
> linux-user/syscall.c | 4 ++--
> 2 files changed, 5 insertions(+), 5 deletions(-)
Reviewed-by: Laurent Vivier <address@hidden>